In addition, we will use sternal skin conductance as an established objective measure of VMS in a subgroup of 15 women in each arm to test feasibility and obtain information on how objectively measured HF are related to self-reported HF in this setting. Women will be assessed at baseline, at the end of the eight-week MBSR course, and at three months after the end of the course. A secondary aim is to explore whether treatment group differences of HF frequency and intensity and QOL are explained by changes in perceived stress, health-related locus of control and mindfulness. It is anticipated that results from this pilot study will provide data needed to plan a larger more definitive randomized trial on the effect of MBSR on HF frequency and intensity and on the ability to cope with these symptoms.